Home / 16,331.38-22,516.16-10,578.60

Finding the Fourth Proportional to 16,331.38, 22,516.16 and 10,578.60

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Solution

The fourth proportional to 16,331.38, 22,516.16 and 10,578.60 is: 14,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.38 : 22,516.16 = 10,578.60 : x
  2. Step 2: Convert to fraction form
    16,331.38/22,516.16 = 10,578.60/x
  3. Step 3: Cross multiply
    16,331.38x = 22,516.16 × 10,578.60
  4. Step 4: Simplify right side
    16,331.38x = 238,189,397.28
  5. Step 5: Solve for x
    x = 238,189,397.28/16,331.38
  6. Step 6: Final answer
    x = 14,584.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.